Wagon box unloading scraper



Jan. 24, 1950 o. G. WENGERT 2,495,353

WAGON BOX UNLOADING *SCRAPER Filed March 31, 1948 `2 Sheets-Sheet l f fl.

Jan. 24, 1950 o. G'wENGERT 2,495,358

WAGON Boi UNLOADING SCRAPER Filed March 31,'1948 2 Sheets-ShamI 2 Patented Jan. 24, 1950 f; .L

z UNITED STATES PATENT GFF'ICE WAGON BOX UNLOADISN'G4 SVCRAPER Orville` G. Wengert, Statey Center, Iowa Y Application March' 31, 1948,-S7'eria1 No. 18,232

1 Claim. 1

This invention relates to. a means of unloada. wagon box of its contents and more particularly to a scraper means to be pulled from theffront to the rear of a wagon, box pushing the contents out the rear of the wagon box as the scraper moves rearwardly.

It isv an object of the invention, among others, tov provide a scraper to be mounted in a wagon box with a new and improved means on the rear .of the wagon box connected with the scraper to allow one man to move the scraper and wagon contents rearwardly.

It is a further object of the invention to provide means at the rear of the wagon box connected with the scraper that may be actuated Ifrom either the right or left hand side of the Wagon. v

It is a stiil further object of the invention to provide: a wagon box scraper and actuation means therefor that is simple in construction and operation, easy t@ operate and economical both `in construction and operation; a Wagon box scraper and actuation means therefor that is 'long lasting and durable in operation, requiring less repair and lost time in operationg. a Wagon box scraper and actuation means therefor that is easy to operate, simple in design and easy of repair in case of breakdown; a wagon box scraper and actuation means therefor requiring no special skill on the part of an operator to mount on a wagon box; and a wagon box scraper and actuation means therefore that can be supplied and operated at a much lower cost than anything on the market at present.

With the foregoing and other objects in view,

the invention will be more fully described herewith and will be particularly pointed out in the claim appended hereto.

In the drawings, wherein like symbols refer to like or corresponding parts throughout the several views:

Figure 1 is an elevational view showing a wagon box, scraper and actuation means to move the scraper from the front to the rear of the wagon.

Figure 2 is a rear elevational view showing the wagon box, scraper and actuation means to move the scraper from the front to the rear of the wagon from the rear.

Figure 3 is a diagrammatic view showing the scraper and actuation means on a wagon box that is rectangular in shape instead of the shape shown in Figures l and 2.

Figure 4 is a Sectional view taken on the line 4-4 of Figure 2.

VFigure 5 is a diagrammatic view of a Wagon 2 p with a loaded wagon box thereon and the scraper ai: the 'iront of the wagon box. y

Figure 6 is a diagrammatic-view of the wago of; Figure 5v with the scraper pulled half-way to the rear in the Wagon box and the contents of the. wagon box being discharged from the rear of the wagon box.

' A 'wagon box` I isy shown in Figure 1, made Wider at the top than at the bottom with a scraper 2 mounted in the. i'ront of the wagon box I. The scraper 2 may be made of any suitable material; wood having been found to be a suitable materiai.v The scraper 2 is mounted on brace members 51 at approximately each end of the scraper 2 and ropes' di are attached to each brace 3` and an actuation means 5 mounted on the rear of the wagon. box 5 toy pull. the scraper 2. from the front tothe rear of the wagon box I. The scraper' 2 is made of' a size to completely fill the wagon box l and as the scraper 2. moves rearwardly, it will push ahead' of itthe contents of the wagon boxl I: anda-discharge them, over the rear end o the wagonbox I'. f

The bracesv 3'r are. Itriangular in shape and a portion lA formsa base upon which the. braces Pv are supported and forms a skid means on which the scraper 2 moves. The braces 3 have portions 1 and 8 that go around the rear of the scraper 2 and bolts S pass through the portions 1 and 8 into the scraper 2 to attach the braces 3 to the scraper 2.

The actuation means 5 on the rear of the wagon box I is made up of a rotary shaft I 0 upon which the ropes 4 are anchored and upon which the ropes 4 are adapted to wind or unwind as the shaft I0 is rotated. Strap metal portions II are bent, as shown clearly in Figure 4 to form bearings for the shaft It). The top of the strap II seats on the wagon box bottom and the bottom of strap Il goes under the wagon box bottom. Two holes are drilled in the wagon box bottom through reenforcing member I2 and two bolts I3 are put through the straps II and reenforcing member I2 to attach the straps II to the back of the wagon box I. In assembly with both straps II mounted on the rear of the wagon box I, the shaft I0 is entered through the bearing portions I4 formed by banding the straps II. A yclamping member I5 is clamped on the outside of shaft ID when the shaft I Il is properly journaled in the bearings I4 leaving a portion I6 of the shaft III extending beyond the clamping member I5. At the other bearing point I4, a second clamping member I 1 is attached to the shaft I0 to clamp the shaft I0 between the bearings I4 without any longitudinal movement of shaft I possible. A portion I8 of the shaft I0 extends beyond the bearing I4 on this side of shaft I0.

A ratchet wheel I9 is mounted on either of the portions I6 or I8 or the shaft I0 and attached to the shaft III so as to rotate with the shaft IIJ. A handle 20 is mounted on the shaft I0 adjacent the ratchet wheel I9 and has a hub portion 2| to fit on shaft I0 adjacent the ratchet wheel I9 with the handle 20 movably with relation to shaft I0. A dog 22 is pivotally mounted on the handle 20 and is adapted to mesh with the gears on the gear wheel I9. When the handle 20 is pulled to the left, the dog 22 meshes with the gears in gear wheel I 9 to move gear wheel I9 and shaft I0 to the left thus winding the wires Il on the shaft III and pulling the scraper 2 rearwardly in the wagon box I. A detent 23 has one end thereof attached to the strap I I and the other end thereof contacting the gear wheel I9. The detent 23 functions to prevent the ratchet wheel I9 from turning to the right while allowing movement to the left. A spring 24 has one end attached to the handle 29 and the other end attached to the dog 22 to exert a pressure against dog 22 when dog 22 has moved to the left as far as desired to return the dog 22 to its vertical position. In operation, the scraper 2 is moved as far to the front of the wagon box I as possible, and the wagon box I is loaded as represented diagrammatically in Figure 5. The scraper 2 may be made` to nt the wagon box 2 of Figure 1 or may be made to t a square or rectangular wagon box 25- as the scraper 26 represented in Figure 3. When it is desired to unload the wagon box, a lone operator may set the actuation means into operation by moving handle 29 as far to the left as possible, thus rotating ratchet wheel I9 and shaft I to wind ropes 4 on shaft I0 to pull scraper 2 rearwardly. The handle 20 is moved to the right with dog 22 meshing in another gear on ratchet wheel I9 with the ratchet wheel I9 and shaft. In moved to the left again. This 0p- .eration is repeated with the scraper 2 moving 4 rearwardly as illustrated in Figure 6 with the contents of the wagon box being discharged from the rear of the wagon box. The ratchet wheel I8 and handle 20 may be mounted on either the portion I6 or I8 depending upon convenience.

It will be understood that the invention has been described for purposes of illustration and explanation and that changes and variations are possible without departing from the scope of the invention. All such modifications and changes are intended to be included in the appended claim.

I claim:

In combination with a wagon box, a vertical scraper wall slidably engaging the bottom of said wagon, two spaced apart brace rod runners on said scraper wall; said brace rod runners each extending downwardly and rearwardly from the top of the scraper wall to points adjacent the bottom oi said wagon box and thence horizontally forward to the bottom of said scraper wall,` a rotary mounted shaft on the rear end of Said wagon box, a means to facilitate the manual rotation of said shaft, and two flexible cable members having their forward ends secured to the rearmost ends of the two brace rod runners respectively, and their rear ends secured to said rotary mounted shaft; said two cable members having their length between said shaft and scraper wall adjacent the bottom of said wagon box.

ORVILLE G. WENGERT.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 766,866 Bendickson Aug. 9, 1904 2,138,893 Wallace L Dec. 6, 1938 l2,298,982 Smith Oct. 13, 1942 2,405,534 voth Aug. 6, 1946 2,448,737 Reisenweber Sept. 7, 1948 2,463,643 Recker Mar. 8, 1949 

